H2S➡S➡ZnS➡H2S➡PbS умоляю

Question

H2S➡S➡ZnS➡H2S➡PbS умоляю

Answer 1

2H2S + O2 = 2H2O + 2S
Zn + S = ZnS
ZnS + H2SO4 = ZnSO4 + H2S
PbO + H2S = PbS + H2O